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Finding the Fourth Proportional to 39,696.57, 59,536.22 and 19,954.17

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Solution

The fourth proportional to 39,696.57, 59,536.22 and 19,954.17 is: 29,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,696.57 : 59,536.22 = 19,954.17 : x
  2. Step 2: Convert to fraction form
    39,696.57/59,536.22 = 19,954.17/x
  3. Step 3: Cross multiply
    39,696.57x = 59,536.22 × 19,954.17
  4. Step 4: Simplify right side
    39,696.57x = 1,187,995,755.27
  5. Step 5: Solve for x
    x = 1,187,995,755.27/39,696.57
  6. Step 6: Final answer
    x = 29,926.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.